<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        .ball {
            position: relative;
            left: 400px;
            top: 200px;
        }
        .box {
            position: absolute;
            z-index: 1;
            left: 0;
            top: 0;
            width: 300px;
            height: 300px;
            background-image: radial-gradient(at 90px 50px, #fff 0%, #eee 5%, yellow 35%, orange 100%);
            border-radius: 50%;

        }

        .shadow {
            position: absolute;
            top: 123px;
            left: 117px;
            width: 260px;
            height: 300px;
            background-color: #ccc;
            box-shadow: 0px 0px 50px #ccc;
            border-radius: 50%;
            transform: skewY(-10deg) rotateX(84deg);
        }
    </style>
</head>

<body>
    <div class="ball">
        <div class="box"></div>
        <div class="shadow"></div>
    </div>
</body>

</html>